12-Letter Words Matching F_N_________

There are 21 12-letter words that match F_N_________. 7 are common words, such as FANCIFULNESS and FENESTRATION. A rarer one is FUNGICIDALLY. In this set, I is the most frequent open letter (17 words). 7 words contain a doubled letter.

Full list 21

fancifulnessfenestrationfinalizationfingerboardsfingerprintsfunctionallyfundamentalsfennelflowerfingerstallsfinitenessesfunctionlessfanaticizingfanfaronadesfantasticatefantasticoesfantasylandsfingerpickedfunambulismsfunambulistsfundraisingsfungicidally

About this list

Words
21 (7 common words)
Common example
fancifulness
Rare example
fungicidally
Doubled letters
7
Ending in S
13
Most frequent letter
I (17)

Questions

How many 12-letter words matching f_n_________ are there?

21. 7 of them are common words.

What is a common example?

FANCIFULNESS is among the common words in this set.